“Bom dia! Good morning!” Mrs. Brady wrote on Twitter, along with an Instagram selfie of her post-baby body.

The Brazilian model proudly displayed her trim figure in a purple bikini as she posed in front of some lounge chairs.

Bundchen, 32, and Brady, 35, welcomed their second child, a daughter named Vivian Lake, on Dec. 5, 2012. The couple, who have been married since February 2009, are also proud parents to son Benjamin, 3.